


#define DP (void*)0xC02200C8	
#define DELAY 5000000

void __attribute__((noreturn)) copy_and_restart(void *dst_void, const void *src_void, long length) {

        volatile long *p = (void*)DP;       

        

        
        
        

        {
                char *dst = dst_void;
                const char *src = src_void;

                if (src < dst && dst < src + length)
                {
                        
                        src += length;
                        dst += length;
                        while (length--)
                        {
                                *--dst = *--src;
                        }
                }
                else
                {
                        while (length--)
                        {
                                *dst++ = *src++;
                        }
                }
        }

        
        
        

        
        

        
        asm volatile (
        	"MRS	R0, CPSR\n"
		"BIC	R0, R0,	#0x3F\n"
		"ORR	R0, R0,	#0xD3\n"
		"MSR	CPSR, R0\n"
		"LDR	R1, =0xC0200000\n"
		"MOV	R0, #0xFFFFFFFF\n"
		"STR	R0, [R1,#0x10C]\n"
		"STR	R0, [R1,#0xC]\n"
		"STR	R0, [R1,#0x1C]\n"
		"STR	R0, [R1,#0x2C]\n"
		"STR	R0, [R1,#0x3C]\n"
		"STR	R0, [R1,#0x4C]\n"
		"STR	R0, [R1,#0x5C]\n"
		"STR	R0, [R1,#0x6C]\n"
		"STR	R0, [R1,#0x7C]\n"
		"STR	R0, [R1,#0x8C]\n"
		"STR	R0, [R1,#0x9C]\n"
		"STR	R0, [R1,#0xAC]\n"
		"STR	R0, [R1,#0xBC]\n"
		"STR	R0, [R1,#0xCC]\n"
		"STR	R0, [R1,#0xDC]\n"
		"STR	R0, [R1,#0xEC]\n"
		"CMP	R4, #7\n"
		"STR	R0, [R1,#0xFC]\n"
		"LDMEQFD	SP!, {R4,PC}\n"
		"MOV	R0, #0x78\n"
		"MCR	p15, 0,	R0,c1,c0\n"
		"MOV	R0, #0\n"
		"MCR	p15, 0,	R0,c7,c10, 4\n"
		"MCR	p15, 0,	R0,c7,c5\n"
		"MCR	p15, 0,	R0,c7,c6\n"
		"MOV	R0, #0x40000006\n"
		"MCR	p15, 0,	R0,c9,c1\n"
		"MCR	p15, 0,	R0,c9,c1, 1\n"
		"MRC	p15, 0,	R0,c1,c0\n"
		"ORR	R0, R0,	#0x50000\n"
		"MCR	p15, 0,	R0,c1,c0\n"
		"LDR	R0, =0x12345678\n"
		"MOV	R1, #0x40000000\n"
		"STR	R0, [R1,#0xFFC]\n"
		
                "MOV     R0, %0\n"              
		"LDMFD	SP!, {R4,LR}\n"
		"BX	R0\n"
                 : : "r"(dst_void) : "memory","r0","r1","r2","r3","r4");

        while(1);
}
